package strangeCharacters;

public class Online2 {
	
	
	    public static void main(String[] argv) throws Exception {  
	        String sData = String.valueOf( ((char)0) ) ;  
	        System.out.println((int) sData.charAt(0));  
	        sData = sData.replaceAll("\\u0000", "NulllluN" ) ;  
	        System.out.println(sData);  
	        System.out.println((int) sData.charAt(0));  
	    }  
	

}
